1990 Estoril Open
The 1990 Estoril Open was a combined men's and women's tennis tournament played on outdoor red clay courts. It was the first edition of the event Estoril Open for the men, and was part of the ATP World Series of the 1990 ATP Tour. It took place at the Estoril Court Central, in Oeiras, Portugal, from 2 April through 8 April 1990 for the men's tournament and from 16 July through 22 July 1990 for the women's tournament. Emilio Sánchez and Federica Bonsignori won the singles titles.Finals
Men's Singles
defeated Franco Davín 6–3, 6–1
- It was Sánchez's second singles title of the year, and the 11th of his career.
Women's Singles
defeated Laura Garrone 2–6, 6–3, 6–3Men's Doubles
/ Emilio Sánchez defeated Omar Camporese / Paolo Canè 7–5, 4–6, 7–5
- It was Casal's first doubles title of the year, and the 25th of his career.
- It was Sánchez's second doubles title of the year, and the 28th of his career.
Women's Doubles
/ Patricia Tarabini defeated Carin Bakkum / Nicole Muns-Jagerman 1–6, 6–2, 6–3
